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As scientists search the universe for signs of life on other planets they are likely to focus on the presence of molecules containing which of the following elements? A. carbon B. calcium C. iron D. magnesium
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As scientists search the universe for signs of life on other planets they are likely to focus on the presence of molecules containing which of the following elements?

A. carbon
B. calcium
C. iron
D. magnesium

User Onessa
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1 Answer

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Carbon, as it is one of the basises for life on Earth.
User Union Find
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